Carbureter.



G. W. DONNING.

CARBURETER,

APPLICATION FILED wen-2s. 1915.

1 ,246,727. Patented Nov. 13, 1917.

4' SHEE TS-SH-EET 1.

' in ucwhn H GeoryeWDunniz-yr p G. W. DONNING- CARBURETEB.

APPLICATION HLED AUG.26, I915 1,246,727. Patented Nov. 13, 1917.

4 SHEETS-SHEET 2. 62/ m mun l 22 k s A W 51 s. w. DONNIING.

CARBURETER.

APPLICATION FILED AUG.26, 1915.

Patented Nov. 13, 1917.

4 SHEETS--SHEET 3.

$10M 1 I c mum J11 uwnfoz- 4 $HEETS Patented Nov. 13, 1917.

96 W'Dom Gear )LCD W- DONNIN GARBURETER.

APPLICATION FILED 'AUG. 26. !915.

UNITED s'rarns r rnnr OFFICE.

GEORGE w. nonnnm, on smegma, couunc'rxcm.

cmunn'rnn.

si fi of LEWIS Patented Nv.f13, 191.7.

Application filed August 26, 1915. Serial No. 47,580.

To all whom it may concern:

Be it known that I, Gsonoa W. Donnmo,

a citizen of the lilnited States, residing at Stamford. in. he coiiu'it'y of l a'irficld and State of oimccticnt, have invented certaln new and useful Improvements in Carburotors, of which the following is a specification, reference being had therein to the accmnpanying drawing.

This invention relates broadly to the generation of heat, and more especially to de vices for generatin heat forwarming wateroooled or Erin-cooler? motors and, also, for facilitating the production of gas for the mo tor.

The object of the invention in its broadest aspect, and. particularly with reference to water-cooled motors, to effect the prevention of chilling and 'lreez'ing of water Within the radiator. motor and carburetor jackets; and, with reference to aincooled motors, to effect theheating of the air within the conductors or air-channels, for a like purpose. l

A further object of the invention is to pro vide means for automatically initiating the proriluctioi'l of heat. wl'lene'ver and wherever the temperature of themadiator, carbureter, and motor drops some selected, degree of temperature predeem-mined by the operator.

Another object is to utilizeelectrical in strnmentalitie :for example an electric heater or a series of electric heaters, provided with sigmils or indicators whereby their operation instantly made apparent.

Another object is to utilize a thermostatically operated valve to control the tour erature of the air which is to be'introduce into the carburetor, and to govern its fiow when the motor is idling or standing still.

Still another object within the contemplation of the invention is to provide means for varying the time of operation of the aulomatic device*-for example, when the motor is idle So to maintain a low heat and immediately in advance of using the motorin order that a higher temperature may resuit to produce practically the maximum of elficicncy in the motor and carburetor atthe start.

The invention in general seeks to provide means for use, particularly, on motors our ployod in automobiles,the proposed device, from an operative standpoint, possessing a high degree of efllciency and being capable of ready and fine adjustment.

Other objects and advantages will be obvious from the annexed drawings, while others will be made apparent in the following description.

T he invention resides broadly in the features of construction and in thea cup-- ment of elements andinstrumentalities, all as exemplified in the construction herein after set forth, and'the sco e-of ap Iication of which willbe indicate in the c aims hereto appended. c

That the invention may be comprehend by those skilled in the art, drawings-illustrating some of the many possible embodiments and utilizations of the same are here to appended as a part of'this disclosure; it being manifest that other possible embodiments and utilizations (:inploying the-1m derlying principles of the'invenfiion. .fall within the spirit thereof and within t e objects contemplated thereby.

In the drawings:

Figure 1 is a view in elevation, partly in section, showing a motor, its cooling system, a carburetor, and a heat-generating device constituting one embodiment of my invention; r

Fig. 2 is a View in vertical-Ion 'tudinal section, showing the carburetor il ustrated in Fig. 1, heat-producing instrumental ities therein, etc; o i

Fig. 3 a fragmentary view, in elevation, showing mechanism for supplying the gaschamber of tho carbureter with addi-. tional quantities of air;

Fig. 4 is a view in vertical longitudinal section of a modified form of carburetor;

Fig. 5 is a fragmentary 'view, in elevation, partly in section, of another modified form of structure and showing, particularly, how the main fuel-supply may be utilizedfor priming the carburetor;

Fig. 6 a fragmentary viewl partly in sectional elevation, showing another modified form of structure.

Fig. 7 iso fragmentary view in vertical section showing, on a larger scale, certain details of a valve-device in the carbureter construction of the form illustrated. in

Fig. 4; i

Fig. 8 is also a fra mental-y iew, partly in elevation and part 1 in section, showing 40 this is mount 10 cooled or water-cooled form; 2 designates a radiator; 3 designates, generally, a carbureter of improved construction; 4 designates a. primary heat-generating box 5 designates a secondary heating box, and 6 designates 15 a pump for moving air or water (as the case may be) through the coolin system of the motor, etc. Leading from t e motor 1 is an exhaust-manifold 1' which passes through one end of the secondary heatingzo box 5.

Leading from the radiator 2 is a fluidconductor in the form of a pipe 7, and this is connected to a main fluid-conduit 8 which,

' in turn, is connected to the primary heatnerating box 4 and also with the pump 6. refrabl'y and as shown, the conduit 8 in- "cludes a valve-casing 9, a coupling or union I 10 and a cut-off device 11.

Leading from another portion of the primary heating box 4 is a conduit 12 which connects with an extension 13 of the car bureter 3, the latter being provided with a nipple 14 (Figs. 1 and 2). The conduit 12 is provided with a controlling cock 15 and i 35 also with a draw-off 16 (big. 1).

The carbureter includes a acket 17 which,

' in this instance, encompasses the lower portion of the carbureten At the upperend of the jacket a ni ple 18 is provided and on a cap coupling 19 which provides means for introducing a fluid into the jacket, as will presently be described. Extending from the coupling 19 to a circu- 'lation-return conduit 20'which, as shown,

5 connects with the radiator 2 at one end and with the difl'erent ,cylinders of the motoris a pipe 21 which, adjacent to its connection with said return-conduit, is provided with a controlling cook 22.

Leading rom the pump 6 is the usual direct conduit 23, here shown as broken off, of the water-coolin system.

To provide for e ectivc circulation of the cooling fluid around the lower portions of 55 the cylinders, a conduit 24 is shown as extendin from the pump 6 and coupled into the jac ets of the motorcylinders, as usual. If desired, the direct conduit 23 may be .omitted and the conduit 24 employed by it- 0 self, since it is obvious that it may also perform the function of the conduit 23 when the pump is in operation. 'As shown, the conduits 26'and24 may be connected, as by pi es 25 and 26 (shown in Fig. 1 as broken e5 0 with foot-warming devices (not shown).

surfaces 0 the valve-head and its scat would permit similar bypassing of the fluid.

Preferably and as shown in Fig. 1,'the

primary heating box 4 is protected by an en velop 30 of non-conductin material, Similarly the carburetor and t e conduits aforementioned may be protected.

Disposed within the fluid-containing chamber 31 of the heating box 4 is an electric heating element or coil 32 provided with terminals 33 and 34. A conducting wire 35'connects the heating box with a switch 36, while a conducting wire 37 connects with a battery 38. On the wire 35 is a li ht 39.

I it be necessary to draw off or fill the heating box with water, this may be accomplished through the filling-nozzle 40 mounted on the conduit 12. To withdraw water from the heating box, a draw-off cock 41 is provided, which extends into the chamber 31. In an emer ency, for instanc'cdue to accident or ine ectual. operation of other parts-it may be desirable to withdraw the cold water from the jacket surrounding the carbureter and, to fill the same with a hot liquid. To this end, the cocks'15 and 22 are utilized and, also, the filling-coupling 19 and the draw-oil 16. So, also, if the temperatureof the fluid is too high for eflfcctive operation of the carburetor the cooks 15 and 22 may be closed. a i

In order to cause, automatlcally, the operation of'the temperature-control]ing in.- strumentalitics of the structure, I may provide any suitable means, and these aredisosed within the effective zone of the heatmg fluid. In the embodiment illustrated in Figs. 1 and 2, for example, the controlling means utilized is illustrated-as a thermostatic device designated, generally, by the reference-character 42. This includes a fluidholder 43 adapted to contain an,,.actuating fluid 44 which operates upon a head 45 carried by a stem 46 which has an'up-and-down movement in the cap 47 screwed on to the holder 43 and which is provided with a stuffing-nut 48. Thestem 46 is graduated in degrees of temperature, as shown, and carries a collar 49 which is adjustable on the stem 46. The stem also carries a second collar 50 similarly adjustable thereon, and which has a lfunction presently to be explained. Upstanding. from the car bureter is a bracket 51 and on. this is pivoted a small bell-crank-lever 52, one arm of which is arranged in the path of movev 64 pivoted to the end of the auxiliary hcatment of the collar 49, while the other arm has a contacting engagement with a terminal 53 with which a conducting wire M is connected, and which wire at its other-end connects with the switch'36. A second conducting wire 55 is connected to the bracket 51 at one end and has its op )osite cnd ex tending to aiterminal 5G att ac led to a heating elementor coil 57 in the auxiliary heating box 5. Also connected to the heating element 57 is a secondterminal 58 and to this is connected a lead wire 59 which extends to the battery 38.

Preferably and as shown, the auxiliary heating box 5 is directly connected to the carbureter 3 and all air introduced into the carbureter passes through this heating box; but it is to be understood that it may be differently located if desired. In addition to the terminals 56 and 58 on this heating box 5, I may also provide auxiliary ter-.

minals 60 and 61. The purpose of having a.plurn.lity of sets of terminals is in order that a long or. a short section of heating element may be.insert cd Within the heating box, as con itions may require. Preferably, when the a xiliary. heating box is utilized, it is maintained in the same circuit as'the heating elcmentBZfinthe primary heating box-4.

Pivotcd adjacent the 11 per end of the bracket 51,.is aQbell-crankliaver 62, one arm of which embraces theupper end of the stem 46 and. ,isadapted to engage the collar 50. Totheother armof the lever is connected an actuating rod 63 which, at its opposite end,.is connected to a controlling member ing' box 5 and ads. ,ted to close an opening 65 ereina On t c axis 66 of the bell cran ]evcr 62 is secured a band s ring 67 which abuts against a lug 68 on t 1e lower end of the lever 62. This spring has as its function to maintain the lever 62 in normal position.-

. Preferably and as shown in Fig. 2, the carbureter jacket is provided with a nipple 69 which connects with a pipe section '70 disposed within the carburetor and which has its u per surface perforated as at 71. The nipp e serves to permit the introduction of air into the section 70 and this feeds such air into the interior of the carbureter. In

other words. while the motor is drawing up gas. a certain amount of the air from the section 70 will be drawn into the carbureter. In Fig. 3, there is shown an auxiliary air device which may or may not be attached to the structure already described. This includes a pipe 72 which. at one end. extends into the nipple 69 and, at" the other end, connects with a vertical pipe 7 3 which normally is open to the atmosphere at one end and. at its other end. extends into the cap 76 of the radiator 2. The pipe 72 is provided. with a valve 74 that may be actuated by a rod 75 arranged so that it maycouveniently beoperated by the driver-of the car.

"hen the, rod. Ta" operated to open the valve 74 moisture may be drawn from the radiator, and air may be drawn ir from-the atmosphere through the lower portion of the pipe 73. In the one instance, it isbclieved that the moisture, added to the gaseous mixture produced in the carbln eter, provides .a superior mixture; while. in theaother instance. the gaseous mixture .maybemade lean, at. certain speeds of the n'rptQr.-- In bothinstances, there is cti'ected a saringmt fuel.

Into each cylinder of the motoiyl leads a gas manifold 77 which communicates with the carburetor 3.

The carburetor. itself. includes a mixing chamber 78 and an air chamber 79, these chambers being. spaced by a pertbratedv valve plate 80 seatable on a yalve-support 81, sustained bythe wall of the carburetor The i may be manipulated by the driver Of-the car. The connection between the valve 86 and the arm 83 includes a link 88 which-at its lower end carries a pin 89 adapted to be inserted in, one oranother of-thc holes 90 formed in the enlarged portion of said arm.

Depending. from the valve-plate 80 and encircling the conical valve 82 is a mesh iolllar. 91 which is adapted to receive waste rue . Disposed in the lower portion ofthe carbureter and extending into the air-chamber 79 is a bottle-shaped nozzle 92, the upper end of which is provided with an elongated passage 93 having,' converging walls togreceive the conical valve 82. Encircling the upper endv of the nozzletis a flaring collar 94. The nozzle 92 is hollow to.proitide' a passage 95 and into thisis threaded a coupling member 96 adapted to. be connected to any suitable source of fuel-supply. This nozzle )rovides means for introducing into the car ureter fuel of any required grade.

crank-lever 52 against the terminal 53, thus' closing the circuit. Then, when the driver of the car has operatedthe Switch 3650 asto complete the circuit, the signal-light 39 will be lighted. and the heating of the coil 32 will be effected, if such circuit is in fact complete. Assuming, now, that the temperature in the heating-box and thermostatic device 42 has risen to, approximately, 90, and that the collar 49 hasbeen disengaged from the spring, is disengaged from the terminal 53, breaking the circuit and deenergizing the heating-coil 32. In the meantime, the motor may be started. The collar 50, on the stem 46, having been adjusted thereon to, approximately, 90, and having been raised under the action of the thermostat, it will actuate the lever 62 and there b effect an opening of the controlling mem er 64. If the operator then has occasion to stop the motor (the switch36 being on), the heating-coil 32 will become elfective to reheat the contents of the motor and carbureter (which may have become cold), to prevent freezing'tliei'eof and to raise the thermostat, etc., again to 90. This, therefore, automatically. controls the temperature within the entire structure.

The heating element 32, or it in conjunction with the heating element 57, having become active, the heating fluid will be warmed and, having attained the proper operating temperature, will have its proper influence u on the thermostatic device 42. The valve 2 being normally open, circulation of the heating fluid would carry the fluid to the pump 6 where it would meet with some resistance. This would cause a more rapid flow of water into the radiator 2 and carbureter 3. The fluid having been warmed, in the manner explained, circulates throu 11 all the conduits 7, 12, 21 and 23 or 24. f the operator should wait until the thermosstatic device has indicated the selected temperature, the graduated stem 46 will lift the collar 49 away from the bell-crank-lever 52 and permit the same to rock out of contact with the terminal 53, thereby breaking the circuit. The signal light 39, being extinguished, would indicate that the circuit is broken. Instead of a light, an ammeter or other indicator may be employed.

If the motor were started before the desired degree is reached, the suction of the pump 6 will draw the. valve 27 against its seat and permit a very slight amount of fluid to by-passas through the perforations 29and this will maintain a slight circulation through the conduits 21, the carlmreter 3, and through the conduit 12 to the heating box 4, while most of the fluid will be drawn from another source, as for instance from the radiator 2. Then the motor will assist in warming the fluid where-. by the desired results are more quickly. accomplished. But the instant that the motor is exposed to a change of temperature so that the temperature of the gas, say, drops 65 below the selected degree, the heaters 4 and lever 52, the latter, under the action of its,

5 will] automatically be brought into operation. In this way, the fluid is maintained at substantially a predetermined temperature, either by the heat of themotor-cylinders, by the exhaust therefrom, or by the electric elements within the heating boxes.

zlI0d2'ficatz'0ns.-In Fig. 10, I have shown a modified form of valve 97, of irregular conformation, adapted to seat in a correin the upper spondingly formed passage end of the nozzle 92. I

In Fig. 4, I have shown a modified form of structure, the same difl'ering from that already described in the following particulars: In the first place, the thermostatic device operates a valve 98'which controls a cold. air inlet 99 in a heating box 100. To this end, the thermostatic device, indicated generally by the reference-character 101, carries. an adjustable collar 102 that is 5 adapted to abut'against and rock a lever 103 pivoted on a bracket 104 upstanding from the motor or any other stationary part. A spring 105 serves to hold'the lever 103 in normal K position. Between the lever 103 and the valve 98 is an actuating rod 106. It will be understood that when the temperature within the carbureter has reached a predetermined degree, the thermostat will permit the lever 103 to rock and thereby lift the valve 98, whereupon cold air may enter the heating box. Another difference is the provision of the'filling nozzle 107, carrying a closure-cap 107. and rovided with n pipe-attaching nipple 1.07 Fig. 4) 100 this .being of somewhat difierent form than the filling coupling 19 shown in Fig.1. The jacket 100 is provided with a port 100 In this instance, also, a fabric element 108 is provided in the upper portion'of the car- 105 bureter and, by absorbing moisture from the water in the channel, serves to add moisture to the gaseous mixture passing into the mixing chamber 109. The fiow of fuel and air into this chamber is controlled by a 110 valve device 110 similar in construction and operation to that already described. The

introduction of the fuel, however, in this embodiment is ellectedthrough the fuel pipe 111 which enters the 'carbureter from the 115 side instead of through the bottom.

In Fig. 7 the manner of controlling the flow of thefuel, by the valve device 110, is shown. one larger scale.

In Fig. 5, another modified form'of struc 12o plied with so chamber 127 end an which, at its loweren'd,

tojjintrodilce a 53- e eu ilia y -tank 9 is' shown "as connected, through a pipe 120, with. the carburetor 3. On the pipe is a, fuel-regulating device 121' I) which the 'ug'ntity of fuel flowing to te-cetbureter tom the tank 119 may be regulatedto a discernible degree.

In Fig. 6, a still further modified construction isdisclosed hnd one which is urrenged Particularly for an sir-cool d motor, though when slightly modified it is edppted fore water-cooled motor, also. In L15 in stance, the reference-numeral '122 designates, generally, a motor, comprising, n

this instance, two inotouce'sings 123, 123, each' of which houses two c ,linders (not shown). Into each of the cylinders leads a gas-manifold 1 24 whicheommunieates with 125. The manifolds ed to contain a fluid which, in this instance, is air or the like. These channels are supsuch fluid from asource which will presently be described.

The ,c'erbureter 125 includes a mining- I airechember 123, these cheinbers being spaced. by a partition 129 provided iwithien opening 130 which is coir trolled. by. a valve 131. This valve is sus tainedibyjan arm 132 pivoted in thepo'st 133' upstandlng from the partition 129. The arm 132 is slotted to receive a pin 134 carried by a pendant-,valve-stem .135. "'Thevsl ot in the erm132permits'accurate seating of theyulve notwithstanding jthuL-ithe 132 moves infan ercdihen ii'ctuated. Such actuation effected by at throttle-valve 136 pivoted at 137 and connected .by' means (not hown') m an operating lever (also not shown) The connection betweenthe valve 136. and the arm 1 '2ffinclud es a link is bent'to present "on 'engulur extension 139' adapted to b readily; removable there rom.

inserted in one or 'ii'iibther ofthe l'ioles'1 iO formed in theerm-v 1 2,

Dependingfrom tlie'viilve 131 is ecommingler 141 which, in. this instance, is formed of wire mesh. The commingliif1 its 6 nozzle 142-controlled by a valve, not ,shownupstanding fronr the lower-portion he carbureter;cn-sin and which is I Encircling the] nozzlev is a mesh'zcoller l43 which is ede-"tedto receive any, wastefuel that may be ropped from the co'mmingler 141 or that The nozzle 14 2 is hollow to prov dfefei pass a I into this isthreeded 'a two-mom pling 145 'edepted to be e nnec d to any is an indicator-arm 01,44 ands cred '.coul suitahlesource of supply of fuel, Thispro rides'm'eans, for introducing into thecar: b uret er fuel oi, suy,-'h igh specific "gravity and, also, fuel of e lower grade, or, both, for m xing during their flow .thrpugh the pas s'uge L ifi. 'Inthis way, I provide means for introd'pcing, initially, a suliicient quantity ofgnsolene, say, to initially warm the motor, after whip-h, heavy fuel, such as kerosene, may be used.

' Connecting the manifolds 124 and the upper portion of the mixing chamber 127 erefifittmgs 146 threaded into the carbureter casing-and into the ends of the manifolds. These couplings may be of different capacities so that the czubureter can be conveniently connected to m'otors of any type or horse power.

Mounted in the upper portion of the mixing chamber 127 and in the path of flow of the gaseous mixture from this chamber into the manifolds is a casing 147 adapted to contain a volatile l'uLuid 148, there being an air space HQ'leftove the liquid, as shown. Disposedflin the l ower portion of the casing 147.,und adapted to support the liquid 148, is udiaphregm 1,50, beneath which is-en air cl ember 151. i Shdg bly dsposed .Withiuthe casing 147- is n phingerinsed 152 carried by a plunger 153 movakiy supported in acep piece 154 threaded over the cesing 1 17 end also into the d aper portion of the c'arbureter casing. A-stu ,ng nut 155 encompasses the plunger 153 and is mounted onthe upper endof the cap-piece 1561. It is hollowyus shown, for the insertion of puekin The cap-piece 154 is -p1OVidB,d- With'a, pen ant extension 156 in which the plunger 153 slides, and is of sufficient dimensions to be immersed, always, in the liquid 148, to prevent escape or: air from the air-space 149'. The upper portion of the plunger is provided with a series of ,holes 157, opposite to which are tempera; ture-indices 158. Encircling the plunger are two collars 159 and 160,-each-carryihg pins 161 and 162, respectively,

adapted to be in-' I tziined in the-desiredpositions on the plunfrom the, stuffing-nut 155 1.63 adapted to register with one or another of the indices 158.

geI 1 Upstanding It is to be understood that the heat of the gaseous mixture as it passes from the mixmg chamber to the manifold effects ,e heating of the contents: oi the casing 147 and, b

expansion thereof, the plunger is raise The indicator-arm 163, registerin or anotherr of the indices, w:i1l enote the position of the plunger in the casing. and, thus, the temperature of the mint is passing into the manifold. v v Surrounding the carburetor casing is a, channel 54 hich commun cates with the with onev re which channels 126 in the manifolds 124 and also with an enlarged channel surrounding the upper (portion of the mixin chamber.

Surroun ing the walls of the c annel 164 is a covering 166 of asbestos or other suitable non-conductin material. A protecting sleeve 167 surroun s the covering 166.

The lower portion 168 of the carburetor casing extends into an air-heating chamber 169 which, like the carbureter-casing, is covered with a non-conducting material 170 and a protector 171. The ortion 168 is provided with an air-channel 172 which communicates with the channels 164 and opens into the chamber 169. Suspended from the upper portion of the chamber 169 is a heating coil 173. Projecting into the chamber are terminals 174 and 175, and between these are wires 176 and 177 connectin with the opposite ends of the heating coil 1 3. A conductor 178 leads from the terminal to a battery 179, while a conductor 180 from the terminal 174 leads to a handle 181 of a combined switch and rheostat 182.

Leadingirmn the rheostat 182 is a conductor 183 connecting with-a terminal 184 carriedby a bracket 185 upstanding from the up er portion of the carbureter casing. Pivoted on the bracket 185 is an arm 186 which embraces the collar 160 and is adapted to be actuated therebyL' Electrically connected to thearm 186 is a conductor 187 which leads to the battery 179. The arm 186 is adaptedto be moved into connection with the terminal 184 and is thereby (when the switch 182 is on) ada ted to complete a circuit through the conductor 187 battery 179, terminal 175, wire 177, coil 173,

,wire 176, terminal 174, conductor 180, switch 182, and conductor 183. On the conductor or line 183 is a light 188 which is an indicator that current is flowing, and, thus, that the battery 17 9 is active.

Communicating with the air heating chamber 169 is an air-heatin box 189 through which the exhaust-mani old 190 extends and by which the air in said box may be heated. At the end of the heating-box 189 is' a hinge-door 191 adaptedwhen open, to permit entrance of air, whenevernec'essary. The heating-box 189 is provided with conlstantly open ports 192 which, preferbbly an manifold so' that'the incoming air will be more or less heated therefrom when the motor is in operation. To increase the amount of air passing into the chamber 189, the door 191 is o ened and permits cold air to enter the chem er. Automatic-means are, in this instance, included, and this means is practic'lly controlled by the position of the plun r 153 whichis, itself, controlled in' its operation by the temperature of the gaseous mixture passing into the. manifoldfi as shown, are adjacent the exhau'st on the bracket 185 and having one orti' I; normally resting on and actuatedy t]; collar 159, while the other portion is nected by a rod 194 to the door 191.

Operation.-The o eration of the structure will be more. or ess apparent: Assuming that the motor has been at rest, and it be desired to initial heat the air and ma inlets and the mani old, the handle 181 is moved from the 011" stop 195 to oneor another of the rheostat stops 196. At that time, the casin 14-7 and its contents will, cf 0 urse, be co (1, so that the extension 186 of t e arm 185 will be in engagement with the terminal 183. The circuit thusfbeing closed and the lamp 188 burning, the coil 173 will-become heatedand thereby heat the air in the chamber 169. This heated .air will then set into circulation the air in the upper portion of the structure so that, in turn. will be returned to the heating chamber, art, at leastand' become heated. Th eated air from the chamber 169 having entered the chamber 168 will be trapped therein by reason of the fact that the valve 131 will be closed. Hence, its route will be through the channel 172 into the channel 164 and into themanifold channels 126-a11d back to the heating chamberv 169. v Thisfwill heat the walls of themixing chamber and the manifolds 124. In the event that the valve 131 happens tobe open, the heated air will pass through the'air-chamber128 into the mi'xing chamber 127 and heatthe walls thereofmnd, the throttle-valve 136 then being 0 en, this heated air will pass into the mani olds and then into the motor chanr hers, so that there is, thus, a preheating without and within the manifolds,

The fuel then being permitted to enter the mixing chamber, commingles with the preheated air therein to produce an effective gaseous mixture which passes to the ignition chambers (not shown) in the cylinders and, during its passage thereto, will further heat the casing 147 and its contents, as alreadydescribed. This will cause the plunger 153 to be raised and, at a predetermined tempprature, the arm 186 will be disengaged rom the-terminal 184, breaking the circuit and thus make the heating coil 173 in the chamber 169 .nonj-eif'ect-ive, In the-event that the exhaust-manifold 190 QW'in very low temperature thereogl fa' guately to-he'at the air entering th 69, whereby the'casing 1 47 and it cool down, the plunger 153 will dr" ermit the arm186 to rock, thereby mg its arm 186 with the terminal the circuit again and make the heats 173 efl'eetive to heat "the inflowingi predetermined temperature. Manifestly, a structure of this o lOb ' 1a i In tho c cnt that he car )ul'eter should bc 4 fol'lviuijgs tho neccssity of providing heat for n garl e in cold weather and the introduc# ,uble time.

.now carried by automobiles and .tion o spirits into the circulation sytcm oloftheprtdvision of.stornge batteries large, capacity,'of generator such are nchts. -Morcov cr, by the use of my nnpror'ei structure, tlicrc will be no dijli'cul ty'm preventing 1 the fre'ezing'of the motor or, in fact, the .io

Broduction of gas arm when the motor has eenln'i'he 0 en atmosphere for a consult-n f course, when the automobile isidle, the battery 38 may be disconnected. My structure are pcculiurlv adapted to red.ucc, to a nnmml in, the OSSl ility of fires.

fired, it is only .ncc ps-sury to release the throttle control to Hwrmit'thc fuclvalve (and t e parts coutro h-l'lzthcreby) to cnSaFo it's; seat, whereupon the flame wnul isnulfediout,

foregoing. it 'will v ic porccived From the that I 'have-su'ccccdiul indovising a carburctcrwhicht'is well adapted to achieve the several objoc'ts of d (-nds in view. lhe structure is exceedirr ly s mple. mulcompact in Qforimland is pnrtmulurlyuvll suited for antomobiles.

Asmany changes can be made. in the. above construction and many othcr embod ments of the invention can he made without de- "parting from the spirit thereof, itis intcnded'that' all matter contained in the foregoing'descriptiou and shownon the. accoml anying drnivings'shall be interpreted as llliis'trutivo' and not in a limiting scusc.

(of, conduits, a-lluid-holdcr disposcd without the l What I claim is: D

1. A motor heating svstem including a chrbujrotcr-chamber, conduits for-a hunting fluid, a. radiator communicating with sai Q'radiatoi'j and in a plane below the radiator 'n 1a carbilrctenchnmber, and also communi-' catingwith said conduit, a heater within the holder. and means {on automatically renderi'n'g the hpater. nctiveand inactiye. j- 2. A' motor' heating system including a carburetor-chamber, conduits for a'heating fluid, a radiator communicating with said dimduits, nfluid-holdcr-disposed without tho rddintor and in a planc belo v the rn' ldiator and carburetor chambcr, and also romlnuuical'mg! with said conduit, a heater within the 'holdcr, moans for antfonmtically rmnliriug the heater active and inactive, and mcan betwccn the radiator and holder. for chccking tho flow of a fluid thcrcbctwccn r nd wliilc thcllcatorgis warming. the fluid '[in the holder n'cpurnl.o|' to disi ha'rgingit from tho holder.

3; A heating system for motors-and the lilrc including-u carluntcLcr chambcr. con-.

duitn forahcatiug fluid leading to the planin 1m, ajhcat'cr fm thcfluid, and menus for .like, comprising1 means ad aceut like, includin auromntically controlling the heater -.c'omprism c th crmostatic device disposed withm' nn influen'ced'by 't-he temperature of the contents of the ca rbur'cter-chambenf 4.. A, boating chamber mber an a cnrburetini t e curburctin c n.

system for motoi'sand tho 1 V distinct mm the motor-itel for warming a heating fluid. and conduits for theffluid'in' eluding a conduit-extension in the carburetingchumber.

5. A heating system for motors and tho like, including'n chamber, channels in the walls of the chamber, conduits for :v heating into the channls, nnfzlctric hcatcr for t c fluidwithin ,one of the con duits but without the chamber, a thermostatic dei i'ce influenced by thocontentsgof the chamber to con trol'theheuter and render Jtnctivemld ingctii'g-and-a seriesof at least three terminals connecting with different ortions of-ghe. heater to increasc therndint- "mg: nreu thereof.

' (1-. A heating system formotorc aud the like, including. an internal combustion engine, a chamber, channels in the walls of the chamber, conduits for a henfin ,lfluidlea'ding into theo'hannels, a heater or-thefluid withimouc of the conduit but ivithout the I chamber, n th'rmostatic device influenced by the contents of thechnifiber to control tho heatcra'nd render it active nnd ina'ctifio, and sin exhaust-manifold associated with thc engine and with one of the conduits for heatmglts contenhs.

'A heating system for m9tor .-;-pnd the like, including anin ternnl comlu'lstlon cn-, ginc, a chamber, chnnnels inth'e Wiillgof the chamber, conduits for n' heatingjfiuid lead-j ling into tho channels, a heater forthe fluid within "one-of the conduit ii, but without the' chamber, a thermostatic dcvice influenced bythcncontcnts of the chamber to control i the hehtcr and render it native and inactive,

in i ts contents, and ,a controlling device for. snld,. conduit and uctuatable by the thermostatic device.

8. A heating systcmfor motors, and-the Iilge,-Zincludin'g a chamber-,channels in the w'alls'of .the. chamber, conduits for a boil ting fluid connected with one of the conduits and,

located below but without the chamber; and -ajlwrmostatic. dcvic disposed within and on exhaust-mlinifold associated with tho. en-

glue and with one of the conduits for. hcatno fiiiid leading into the channels i rudinton connected in the system, a heater for thev infliicncqd by thc-con'tents-of the chamber for rolndcringtho heater active and-inactive.

' 9. A hcating;systcm for motors and the n climnbe channels in tho wnlls'of the c lumber, con nits for cheating fluid leading into the channels, a radiator "bum-looted in the system, I, heater forthe motor,-

. f econtents o fluid connected ,5 within one of the conduits and made active and inactive simultaneously with the firstmentioned'heaten;

10. A heating system for motors and the like including achamber, channels in the walls of the chamber, conduits for a-heating fluid leading" into the channels, a radiator connected in the system, a heater for the fluid connected with one of the conduits and located below but without the chamber, a

active and inactive, and a second heater within one of the conduits and acting under the control of the thermostatic device.

11 A heating system for motors and the like, including a chambemchannels in the walls ofthe chamber, conduits for a heating fluid leading into the channels, a radiator connected in the system, a heater for the fluid connected with one of the conduits and located below but without the chamber, a thermostatic device for rendering the heater active and inactive, a second heater within one of the conduits for heating its contents to a predetermined tem erature and made active and inactive sim taneously with the first-mentioned heater, and an exhaust-manifold associated with one of the conduits for raising the temperature of its contents above that effected by the second heater and which exhaust heater, during the operation of the motor remains'acti ve should the first and second heaters been'me inactive.

12. A heating system for motors and the like, including, a chamber, channels in the walls of the chamber, conduits for heating fluid leading. into" the channels, a radiator connected in the system, a fluid connected with one of the conduits and located below but without the chamber, a thermostatic device for rendering the heater active an inact' a second heater within one of the cond afor heating its contents to ,a, predetermined temperature and made active and inactive simultaneously'with the first-mentioned heater, an exhaust-manifol associated with one of the conduits for raisrature of its contents above that 'efiected y the second heater and which during the o eration of the remains active shqul the first and second heaters. become inactivefand a connection between the'manifold-heated conduit d thevheater-containing conduit, whereby f themanifold-heated conconducted to the heater-containing adult.

1 '13: A heating system for motors'and the channels in the like includin a 'chamber,

I walis of the" c amber, conduits for a heating thermostatic device for rendering the heater heater for thefluid leading into the cbannels,-a radiator connected in the system, a heater for the fluid connected with one of the conduits and located below but without the chamber, a thermostatic device for rendering the heater active and inactiv'e, a second heater within one of the conduits 'for heating its contents to a predetermined temperature and made active and inactive simultaneously with the first-mentioned heater, an exhaust-manifold associated with one of .the conduits for'raising the temperature of its contents above that effected by the secondheater and which exhaust heater, during the operation of the motor, remains active should the first and second heaters become inactive, and a controlling device for said conduit and actuatabIe by the thermostatic device.

14. A heatin system for motors and similarly channele structures including circulating-system-conduits for conveying a heating fluid, a heater effective on the circulating system a second heater adjacent thereto and also eiiective on the circulating system for heating, a fluid to a predetermined temperature, t ermostatically controlled means for causing said heaters to be active or inactive, and an exhaust-manifold associated 'g'vith and effective on the circulating s stem for raisiliiig the temperature of the uid above that e ected b the second heater and remaining inactive ouldthe second heater becomeinactive. f

15. A motor-heating stem including a carbureter chamber, '(ion u its for a heating fluid, a heater for'the fluid, means for mak ing the heater active, means automatically for making the heater inactive, comprising a thermostatic device extending into sai carburetor chamber and influenced by the torn erature oi the contents thereof for controliing the electric circuit of said heater,

within the electric cirand an electric lamp the condition of the cuit for indicating heater.

16. A heating system for motors and simi larly channeled structures including conduits for. conveying a heating fluid, an electric heater effective on the circulating system of the motor, a second heater also efiec tive on the circulating system, and automatic means for causing said heaters tobe active and inactive, including athermo'static device acting under the influence of the heatin fluids.

17. n a heating system for motors and similarly channeled strucures including a circulating system, conduits for a heating fluid, a fluid preheating device efiective on the circulating system when the system is cool as well as when warm, an exhaust-heating device for one of upon'the, system independently of the preheating device and a thermostatically operthe conduits effectiveated controlling device common to the preheating and heating devices" for regulating e v m y the temperature of each.

18. In a heating system for motors and channeled structures including a circulating system, conduits for a heat ng fluid, a fluid. preheating device efiective on upon the system independently of the pre;

7 controlling device common to t the circulating system when the system is cool as well as when warm, an exhaust-heat ing device for one of the conduits effective,

heating device, and a thermostaticallly; opere preand heating devices for regulating ithe atemperature of each, including a thermoshtic instrumentality.

191111: a heating system for motors and similarly channeled structures including a i circulating system, conduits for a heating fluid, u. fluid preheating device effective on the circulating system. when the" system is cool as well as when warm, an exhaust-heating device for one of the conduits effective upon the system independently of the preheatingdevice, a controllingdevice common to the preheating and heating devices for regulatin the temperature of each, includin a. t ermostatic instrumentality, and vs vemechanism automatically operated by the thermostatic instrumentality.

20. In a heating system for motorsand similarl channeled structures including a circulating system, conduits for a heatmg fluid, a fluid preheating device effective on the circulating system when the system is cool as well as when warm, an exhaust-heat-- ing device for one of the conduits effective upon the system independently of the preheating. device, a controlling device common v to the preheating and heating devices for regulatin .the temperature of each, includin a t ermostatic instrumentality, and va ve-mechanism automatically operated by the thermostatic instrumentalit and a signal-device for one of the heating devices.

In testimon whereof I aflix my signature in presenceo two witnesses.

GEORGE W. DONNING.

Witnesses:

Fun; R. Fowmm, Bum W. Amsorr.

....... .mmm" 

